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Gel and EDTA.K2 tube is a kind of EDTA.K2 tube for preparation of undiluted plasma specimen instead of whole blood specimen. There are 2 kinds of additives inside: inert separation gel at the bottom of the tube and EDTA.K2 sprayed in the interior surface above gel. Through centrifugation, the separation gel can form a barrier between plasma and blood cell and totally separate them, while keeping the original characters of plasma. Clinical specimen is then obtained, suitable for analysis of virus capacity and molecular diagnostics of undiluted plasma.
